CO-140Contractual ObligationEligibility
CO-140 Denial Code: Patient ID and name don't match
The member ID and patient name don't match the payer's enrollment file — a data-mismatch rejection cousin of MA27/N382.
Why CO-140 happens
- ●Typo in ID or name; nickname vs legal name
- ●Family member's card used for the wrong patient
How to fix a CO-140 denial
- 1
Re-verify eligibility, correct ID/name exactly per the card, resubmit
How to prevent it
Scan cards and use payer eligibility responses to auto-populate demographics.
Drowning in CO-140 denials?
OakClaim works every denial within 48 hours and builds prevention rules so they stop recurring.